| 关于照相物镜色贡献指数(ISO/CCI)容限的讨论 |
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| 引用本文： | 沈海龙. 关于照相物镜色贡献指数(ISO/CCI)容限的讨论[J]. 南京理工大学学报(自然科学版), 1986, 0(3) |
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| 作者姓名： | 沈海龙 |
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| 作者单位： | 华东工学院工程光学教研室 |
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| 摘 要： | 关于照相物镜色贡献指数的国际标准已于1983年公布。但是,关于色贡献指数的容限仍保留在附录中,并以建议的形式给出。本文从色度学基本公式出发,对相应于容限范围的六个边缘点的照相物镜,计算了它们摄影效果的色度坐标。同时还计算了它们和ISO标准照相物镜的摄影效果在均匀颜色空间的色差值。据此,讨论了该容限的合理性,并提出把容限范围划分成几个区域的建议。
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| 关 键 词： | 摄影镜头 |
Review on the Tolerance of the Colour Contribution Index of the Photographic Objective(ISO/CCI) |
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| Shen Hailung. Review on the Tolerance of the Colour Contribution Index of the Photographic Objective(ISO/CCI)[J]. Journal of Nanjing University of Science and Technology(Nature Science), 1986, 0(3) |
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| Authors: | Shen Hailung |
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| Affiliation: | Shen Hailung |
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| Abstract: | The international standard of the colour contribution index of photographic objective (ISO/CCI)was publicized in 1983. But the tolerance of the CCI was still incluted in the appendex asthe recommendation. In the paper, the colour cordinates dinates of the six points, whichbounded to the tolerance of CCI,are calculated by the basic formulae of thecolorimetry. And the colour difference value between the photographiceffects of the six points and of the ISO standard objective, iscalculated too. According to these calculation results, the reasonable-ness of the tolerance is discussed. Finally, this paper gives a proposal for dividing the toleranceinto regions. |
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| Keywords: | Photographic lenses |
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